🇯🇵 Japanese phrases

How to Say "I understand" in Japanese

The SPAIKING TeamJuly 27, 2026
わかります
"I understand" in Japanese · say it like wah-kah-ree-mas

The most natural way to say "I understand" in Japanese is わかります. Tap the speaker above to hear it, then say it back out loud. That is the fastest way to make it stick.

Other ways to say it

理解しました
more formal, often used in business settings
わかる
casual, used among friends

When to use it

Use this phrase when you want to express that you comprehend something. It can be used in both casual and formal situations. In conversations, it shows that you are engaged and following along with what someone is saying.

Say it out loud, get corrected

Reading it is not the same as saying it. Practice "I understand" and thousands more with an AI coach that listens.

Examples in Japanese

JapaneseEnglish
その説明はわかります。I understand that explanation.
彼の気持ちがわかります。I understand his feelings.
Common mistake
Learners often confuse this with 'わかる' which is more casual.

The fastest way to remember it

Vocabulary you only read fades fast. Vocabulary you say out loud sticks. Hear わかります, repeat it a few times, then use it in a real sentence. SPAIKING lets you practice exactly that, speaking Japanese with a coach that corrects your pronunciation in real time. You can start with two free conversations.

Frequently asked questions

When should I use '理解しました'?

Use '理解しました' in formal situations, like meetings or presentations.

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